Toyota Corolla (E120): How to proceed with troubleshooting

1 Vehicle brought in

2 Customer problem analysis check and symptom check

2 Customer problem analysis check and symptom check

3 Problem symptoms table

3 Problem symptoms table

  1. Without applicable symptoms, proceed to ”a”
  2.  with applicable symptoms, proceed to ”b”

4 Perform troubleshooting in the following method, depending on

4 Perform troubleshooting in the following method, depending on malfunction symptom

  1. Terminals of ecu
  2.  inspection
  3.  on–vehicle inspection

5 Adjustment, repair or replacement

End

End

Customer problem analysis check

Location

Location

Terminals of ecu

    Share this page:

    Other materials:

    Lubrication system
    On–vehicle inspection 1. Check engine oil level  after warming up the engine and then 5 minutes after the engine stops, oil level should be between the ”l” and ”f” marks on the oil level gage. If low, check for leakage and add oil up to the ”f” mark. Notice: do not ...

    Check dlc3
    The vehicle’s ecm uses the iso 9141–2 for communication protocol. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 9141–2 format. Hint: if the display shows unable to connect to vehicle when you have connected the cable of the obd ii scan tool or the h ...

    Power windows
    Opening and closing the power windows The power windows can be opened and closed using the switches. Operating the switch moves the windows as follows: Closing One-touch closing* Opening One-touch opening* *: To stop the window partway, operate the switch in the opposite direction. ■The po ...